| Operating Instructions |
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| FP2000, FP2012 |
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| Troubleshooting Chart |
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| Symptom |
| Possible Cause(s) | Corrective Action |
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| Compressor will not run | 1. | Loss of power or overheating | 1. Check for proper use of extension cord (see EXTENSION |
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| CORDS, page 3) |
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| 2. | No electrical power | 2. Plugged in? Check fuse/breaker |
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| 3. | Blown fuse | 3. Replace blown fuse |
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| 4. Breaker open | 4. Reset. Determine why problem happened |
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| 5. | Thermal overload open | 5. Motor will restart when cool |
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| 6. | Pressure switch bad | 6. Replace |
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| Motor hums but cannot | 1. Low voltage | 1. Check with voltmeter |
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| run or runs slowly | 2. | Wrong gauge wire or length of | 2. Check gauge chart under Operation for proper gauge |
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| extension cord | wire and cord length |
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| 3. Shorted or open motor winding | 3. Replace motor |
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| 4. | Defective check valve or unloader | 4. Replace or repair |
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| 5. | Unit is cold, oil too thick | 5. Use |
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| 6. | Low oil level | 6. Add oil to full line on dipstick |
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| 7. | Defective capacitor | 7. Replace or repair |
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| Fuses blow/circuit | 1. | Incorrect size fuse, circuit overloaded | 1. Check for proper fuse, use |
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| breaker trips repeatedly |
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| other electrical appliances from circuit or operate |
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| compressor on dedicated branch circuit |
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| 2. | Wrong gauge wire or length of | 2. Check gauge chart, under Operation |
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| extension cord |
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| 3. | Defective check valve or unloader | 3. Replace or repair |
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| 4. | Low oil level | 4. Add oil to full line on dipstick |
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| Thermal overload | 1. | Low voltage | 1. Check with voltmeter |
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| protector cuts out | 2. | Clogged air filter | 2. Clean filter (see Maintenance section) |
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| repeatedly | 3. | Lack of proper ventilation/room | 3. Move compressor to well ventilated area |
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| temperature too high |
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| 4. | Wrong gauge wire or length of | 4. Check gauge chart, under Operation |
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| extension cord |
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| 5. | Low oil level | 5. Add oil to full line on dipstick |
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| Tank pressure drops | 1. | Loose connections (fittings, tubing, etc.) | 1. Check all connections with soap and water solution and |
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| when compressor shuts | 2. | Loose drain lock | tighten |
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| off | 3. | Check valve leaking | 2. Tighten |
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| 3. Disassemble check valve assembly, clean or replace |
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| Do not disassemble check valve |
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| ! DANGER |
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| with air in tank; bleed tank |
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| Excessive moisture in | 1. | Excessive water in air receiver | 1. Drain receiver |
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| discharge air | 2. | High humidity | 2. Move to area of less humidity; use air line filter |
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| Compressor runs | 1. | Defective pressure switch | 1. Replace switch |
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| continuously | 2. | Excessive air usage | 2. Decrease air usage; compressor not large enough for air |
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| requirement |
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| 3. | Air leak | 3. Repair or replace leaking component |
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| Compressor vibrates | Loose mounting bolts | Tighten pump mounting bolts so rubber washer is |
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| slightly compressed |
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| Compressor “walks” on | Foot mounting bolts not securely | Tighten foot mounting bolts underneath tank assembly |
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| hard surfaces | tightened |
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| Air output lower than | 1. | Broken valves | 1. Have authorized service representative repair unit |
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| normal | 2. | Intake filter dirty | 2. Clean or replace intake filter |
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| 3. | Connections leaking | 3. Tighten connections |
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